gnucash stable: [guid.cpp] GncGUID* avoids temporary gnc::GUID, and better hash

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/349c208a (commit)
	from  https://github.com/Gnucash/gnucash/commit/6907d364 (commit)



commit 349c208a6c68a9d57c2d0ad9eb16b3b2e337ca66
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Fri Dec 5 00:16:28 2025 +0800

    [guid.cpp] GncGUID* avoids temporary gnc::GUID, and better hash



Summary of changes:
 libgnucash/engine/guid.cpp | 30 +++++++++---------------------
 1 file changed, 9 insertions(+), 21 deletions(-)